The pipe was in fact made by one of my favorite pipe makers, Ian Walker of Northern Briar. I spoke with Ian and his wife Catriona at the Chicago Pipe Show Friday after noon and got a few details. From what I understand the pipe was not stamped and he could not promote making the pipe before the movie was made. Ian is not actively promoting that he made the pipe but I'm sure he would be happy to discuss it if you are fortunate enough to have a chance to speak with him. I don't believe he has plans to make many of this shape but I think,if pressed, he would do them as custom orders.
Ian had previously made pipes for Burton's Sweeney Todd, though all things smoking related were apparently pulled from the film. After seeing the very awkward scenes of Depp mumble mouthing and attempting to act while smoking a pipe that had been cut from Finding Neverland, maybe it was for the best. LOL!
Having not seen the movie I was doing an image search to find pics of the pipe and stumbled upon this thread. After lurking here occasionally the last few years I figured I would join in and hopefully be able to add to this discussion. Cheers!